Likhittragulrung, S., Pankasemsuk, T., and Whangchai, K. “Effects of ozone fumigation on shelf life and sulfur dioxide residues of longan fruit”. International Journal of Agricultural Technology, vol. 17, no. 2, Mar. 2021, pp. 545-56, https://li04.tci-thaijo.org/index.php/IJAT/article/view/5995.